在delphi中删除两个有关系的表>
adoquery1.Close;
adoquery1.SQL.Clear;
adoquery1.SQL.Add('delete from czyxx where czydm='''+str+'''');
adoquery1.ExecSQL;
adoquery2.Close;
adoquery3.SQL.Clear;
adoquery2.SQL.Add('delete from qx where czydm='''+str+'''');
adoquery2.ExecSQL;
adoquery1.Close;
adoquery1.SQL.Clear;
adoquery1.SQL.Add('delete from czyxx where czydm='''+str+'''');
adoquery1.ExecSQL;
adoquery2.Close;
adoquery3.SQL.Clear;
adoquery2.SQL.Add('delete from qx where czydm='''+str+'''');
adoquery2.ExecSQL;
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